AFOS product CLISFD
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CDUS46 KMTR 220858
CLISFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1258 AM PST THU DEC 22 2016


................................... 

...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR DECEMBER 21 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1850 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         63   1243 PM  70    1999  56      7       58       
  MINIMUM         48    543 AM  30    1990  46      2       50       
  AVERAGE         56                        51      5       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.85 1924   0.17  -0.17     1.30    
  MONTH TO DATE    3.52                      3.02   0.50     4.67    
  SINCE OCT 1      8.16                      7.30   0.86     6.10    
  SINCE JAN 1     24.65                     22.11   2.54     9.40    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        9                        MM     MM       11       
  MONTH TO DATE  263                        MM     MM      238       
  SINCE DEC 1    263                        MM     MM      238       
  SINCE JUL 1    979                        MM     MM      629       
                                                                     
 COOLING                                                             
  YESTERDAY        0                        MM     MM        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1     93                         0     93      217       
..................................................................






                                                                     
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        71      1999                    
 MINIMUM TEMPERATURE (F)   46        28      1990                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 22 2016......SUNRISE   722 AM PST   SUNSET   455 PM PST   
DECEMBER 23 2016......SUNRISE   723 AM PST   SUNSET   456 PM PST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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